Advertisement - Continue reading below

Definition of "day" [day]

  • The period of light between dawn and nightfall; the interval from sunrise to sunset. (noun)
  • The 24-hour period during which the earth completes one rotation on its axis. (noun)
  • The period during which a celestial body makes a similar rotation. (noun)
  • One of the numbered 24-hour periods into which a week, month, or year is divided. (noun)
  • The portion of a 24-hour period that is devoted to work, school, or business: an eight-hour day; a sale that lasted for three days. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "day" in a sentence
  • "Not an eventful day but a relaxing day… witch is what I need."
  • "Then calculate the calorific value (per person per day) for each commodity (use Table 3) and fill the row “Targeted ration Kcal/person/day”"
  • "A little flock of these titmice came daily to pick a dinner out of my wood pile, or the crumbs at my door, with faint flitting lisping notes, like the tinkling of icicles in the grass, or else with sprightly _day day day_, or more rarely, in spring-like days, a wiry summery _phe-be_ from the wood-side."